/Engine/Source/Runtime/MeshDescription/Public/MeshDescriptionBase.h
Returns a pair of vertex IDs defining the edge
void GetEdgeVertices ( const [FEdgeID](API\Runtime\MeshDescription\FEdgeID) EdgeID, [TArray](API\Runtime\Core\Containers\TArray)< [FVertexID](API\Runtime\MeshDescription\FVertexID) > & OutVertexIDs ) const